/* ============================================================
   IEPC 国际应急集采平台 - 全局样式
   配色：应急橙(#f26522) + 深空蓝(#0d2b52) + 安全白
   ============================================================ */
:root{
  --primary:#f26522;        /* 应急橙 */
  --primary-dark:#d94f12;
  --deep:#0d2b52;           /* 深空蓝 */
  --deep-2:#143a6b;
  --deep-3:#1c4a85;
  --light:#f4f7fb;
  --gray:#6b7686;
  --line:#e3e9f0;
  --green:#1a9c5c;
  --gold:#c9a227;
  --radius:10px;
  --shadow:0 6px 24px rgba(13,43,82,.10);
  --shadow-lg:0 14px 40px rgba(13,43,82,.16);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#22303f;background:#fff;line-height:1.7;font-size:15px}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section.light{background:var(--light)}
.section.deep{background:var(--deep);color:#fff}
/* ---------- 顶部条 ---------- */
.topbar{background:var(--deep);color:#c8d6ea;font-size:13px;padding:8px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center}
.topbar a{color:#c8d6ea;margin-left:18px}
.topbar a:hover{color:var(--primary)}
/* ---------- 导航 ---------- */
.nav{background:#fff;position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(13,43,82,.08)}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px}
.logo-icon{width:44px;height:44px;background:linear-gradient(135deg,var(--primary),#ff9a5c);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:18px;letter-spacing:1px}
.logo-text{font-size:19px;font-weight:800;color:var(--deep);line-height:1.2}
.logo-text small{display:block;font-size:11px;color:var(--gray);font-weight:500;letter-spacing:2px}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu > li{position:relative}
.nav-menu > li > a{display:block;padding:10px 14px;font-size:15px;font-weight:600;color:#33445a;border-radius:8px;transition:.2s}
.nav-menu > li > a:hover,.nav-menu > li.active > a{color:var(--primary);background:#fff4ec}
.nav-cta{margin-left:14px}
.btn{display:inline-block;padding:10px 22px;border-radius:8px;font-weight:700;font-size:14px;cursor:pointer;border:none;transition:.25s;text-align:center}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(242,101,34,.35)}
.btn-outline{border:2px solid #fff;color:#fff;background:transparent}
.btn-outline:hover{background:#fff;color:var(--deep)}
.btn-blue{background:var(--deep);color:#fff}
.btn-blue:hover{background:var(--deep-2)}
.btn-ghost{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-ghost:hover{background:var(--primary);color:#fff}
/* 汉堡 */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.hamburger span{width:26px;height:3px;background:var(--deep);border-radius:3px}
/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(120deg,#0a2242 0%,#0d2b52 45%,#16457f 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;right:-120px;top:-120px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(242,101,34,.28),transparent 70%)}
.hero::after{content:"";position:absolute;left:-80px;bottom:-160px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(242,101,34,.16),transparent 70%)}
.hero .container{position:relative;z-index:2;padding:96px 20px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:6px 16px;border-radius:40px;font-size:13px;color:#ffd9c4;margin-bottom:22px}
.hero h1{font-size:44px;line-height:1.25;font-weight:800;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero p{font-size:16px;color:#c3d2e6;margin-bottom:30px;max-width:560px}
.hero-stats{display:flex;gap:34px;margin-top:36px}
.hero-stats .num{font-size:30px;font-weight:800;color:#fff}
.hero-stats .num em{font-style:normal;color:#ff9a5c}
.hero-stats .label{font-size:12px;color:#8fa5c2;margin-top:2px}
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:30px;backdrop-filter:blur(6px)}
.hero-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.hero-card h3 i{color:#ff9a5c}
.hero-card ul li{display:flex;gap:10px;padding:9px 0;font-size:14px;color:#d7e2f0;border-bottom:1px dashed rgba(255,255,255,.12)}
.hero-card ul li:last-child{border:none}
.hero-card ul li b{color:#ffb98f;min-width:74px;font-weight:600}
/* ---------- 标题 ---------- */
.sec-head{text-align:center;max-width:720px;margin:0 auto 48px}
.sec-head .tag{display:inline-block;color:var(--primary);font-size:13px;font-weight:700;letter-spacing:3px;margin-bottom:10px;text-transform:uppercase}
.sec-head h2{font-size:32px;color:var(--deep);font-weight:800;margin-bottom:12px}
.sec-head p{color:var(--gray);font-size:15px}
.sec-head.white h2{color:#fff}
.sec-head.white p{color:#a9bcd6}
/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.3s;box-shadow:0 2px 8px rgba(13,43,82,.04)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#f7c9ad}
.card .ico{width:54px;height:54px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px;background:linear-gradient(135deg,#fff1e8,#ffe3d1)}
.card h3{font-size:17px;color:var(--deep);margin-bottom:10px;font-weight:700}
.card p{font-size:14px;color:var(--gray)}
.card .more{display:inline-block;margin-top:14px;font-size:13px;color:var(--primary);font-weight:600}
/* ---------- 分部 ---------- */
.region{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.3s}
.region:hover{box-shadow:var(--shadow);border-color:#f7c9ad}
.region .r-flag{font-size:34px;margin-bottom:12px}
.region h3{font-size:16px;color:var(--deep);margin-bottom:6px}
.region p{font-size:13px;color:var(--gray)}
.region .status{display:inline-block;margin-top:10px;font-size:12px;padding:3px 12px;border-radius:20px;font-weight:600}
.status-live{background:#e8f8ef;color:var(--green)}
.status-soon{background:#fff5e0;color:var(--gold)}
/* ---------- 数据条 ---------- */
.stats-band{background:linear-gradient(120deg,var(--primary),#ff8a4c);color:#fff;padding:44px 0}
.stats-band .container{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats-band .num{font-size:38px;font-weight:800}
.stats-band .label{font-size:14px;opacity:.9;margin-top:4px}
/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 16px;text-align:center}
.step::after{content:"›";position:absolute;right:-13px;top:50%;transform:translateY(-50%);color:var(--primary);font-size:22px;font-weight:800;z-index:2}
.step:last-child::after{display:none}
.step .n{width:34px;height:34px;margin:0 auto 12px;border-radius:50%;background:var(--deep);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px}
.step h4{font-size:14px;color:var(--deep);margin-bottom:6px}
.step p{font-size:12px;color:var(--gray)}
/* ---------- 新闻 ---------- */
.news-item{display:flex;gap:18px;padding:20px 0;border-bottom:1px dashed var(--line)}
.news-item:last-child{border:none}
.news-item .date{min-width:64px;text-align:center;background:var(--light);border-radius:8px;padding:10px 6px;height:fit-content}
.news-item .date b{display:block;font-size:22px;color:var(--primary);line-height:1.1}
.news-item .date span{font-size:12px;color:var(--gray)}
.news-item h4{font-size:15px;color:var(--deep);margin-bottom:4px;font-weight:600}
.news-item h4:hover{color:var(--primary)}
.news-item p{font-size:13px;color:var(--gray)}
/* ---------- 表格 ---------- */
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.tbl th{background:var(--deep);color:#fff;padding:13px 16px;text-align:left;font-size:14px}
.tbl td{padding:13px 16px;border-bottom:1px solid var(--line);font-size:14px}
.tbl tr:nth-child(even) td{background:#fafcfe}
.tbl tr:hover td{background:#fff6f0}
.tag{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:600}
.tag-red{background:#fdeaea;color:#d0342c}
.tag-green{background:#e8f8ef;color:#128a4e}
.tag-blue{background:#e8f0fd;color:#1c4a85}
.tag-gold{background:#fff5e0;color:#a97b12}
/* ---------- 表单 ---------- */
.form-card{background:#fff;border-radius:16px;padding:36px;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--deep);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;transition:.2s;background:#fbfcfe}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(242,101,34,.12)}
.form-group textarea{resize:vertical;min-height:110px}
.form-tip{font-size:12px;color:var(--gray);margin-top:6px}
/* ---------- CTA ---------- */
.cta{background:linear-gradient(120deg,var(--deep),var(--deep-3));color:#fff;padding:64px 0;text-align:center}
.cta h2{font-size:30px;margin-bottom:14px;font-weight:800}
.cta p{color:#b9cbe2;margin-bottom:28px;font-size:15px}
/* ---------- 页脚 ---------- */
.footer{background:#081c36;color:#8fa5c2;font-size:13px;padding:56px 0 0}
.footer .container{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer a{display:block;padding:5px 0;color:#8fa5c2}
.footer a:hover{color:var(--primary)}
.footer .about-txt{color:#8fa5c2;margin-top:12px;line-height:1.8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:16px 0;text-align:center;font-size:12px}
/* ---------- 页面头 ---------- */
.page-hero{background:linear-gradient(120deg,#0a2242,#16457f);color:#fff;padding:64px 0;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(242,101,34,.25),transparent 70%)}
.page-hero h1{font-size:34px;font-weight:800;margin-bottom:10px;position:relative;z-index:2}
.page-hero p{color:#b9cbe2;position:relative;z-index:2;max-width:640px}
.crumb{font-size:13px;color:#8fa5c2;margin-bottom:14px;position:relative;z-index:2}
.crumb a:hover{color:var(--primary)}
/* ---------- 标签页 ---------- */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.tab{padding:9px 20px;border-radius:30px;border:1.5px solid var(--line);font-size:14px;font-weight:600;color:var(--gray);cursor:pointer;transition:.2s;background:#fff}
.tab:hover{border-color:var(--primary);color:var(--primary)}
.tab.on{background:var(--primary);border-color:var(--primary);color:#fff}
/* ---------- 提示框 ---------- */
.alert{display:flex;gap:14px;padding:18px 20px;border-radius:var(--radius);margin-bottom:20px;font-size:14px}
.alert-info{background:#eef6ff;border:1px solid #cfe4fb;color:#1c4a85}
.alert-warn{background:#fff8ec;border:1px solid #f5e2b8;color:#8a6a10}
.alert-ok{background:#edfaf3;border:1px solid #c4ecd6;color:#128a4e}
.alert i{font-size:20px;flex-shrink:0}
/* ---------- 响应式 ---------- */
@media(max-width:992px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr);row-gap:24px}
  .step:nth-child(3)::after{display:none}
  .hero .container{grid-template-columns:1fr;padding:64px 20px}
  .footer .container{grid-template-columns:1fr 1fr}
  .stats-band .container{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-menu{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:#fff;flex-direction:column;align-items:flex-start;padding:80px 24px;gap:6px;box-shadow:-10px 0 30px rgba(0,0,0,.15);transition:.35s;z-index:99}
  .nav-menu.open{right:0}
  .nav-menu > li{width:100%}
  .nav-menu > li > a{padding:12px 10px}
  .nav-cta{margin-left:0;margin-top:12px}
  .hamburger{display:flex;position:relative;z-index:100}
  .hero h1{font-size:30px}
  .g3,.g4,.g2,.form-row{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2)::after,.step:nth-child(4)::after{display:none}
  .sec-head h2{font-size:26px}
  .topbar .container{flex-direction:column;gap:6px}
  .footer .container{grid-template-columns:1fr}
  .hero-stats{flex-wrap:wrap;gap:20px}
}